One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(7,9)(8,10)(14,15)(17,18,22,25)(19,24,26,23)(20,29,30,21)(27,28,32,31)(34,36)(35,41)(40,44)(43,45)(1,2,6,3)(4,7,12,9)(5,8,13,10)(11,14,16,15)(19,26)(23,24)(27,32)(28,31)(33,34,38,36)(35,42,41,39)(37,40,46,44)(43,48,45,47)(17,19)(18,23)(20,27)(21,28)(22,26)(24,25)(29,31)(30,32)(33,34,38,36)(35,39,41,42)(37,40,46,44)(43,47,45,48)(1,3,6,2)(4,9,12,7)(5,8,13,10)(11,14,16,15)(17,19)(18,24)(20,27)(21,31)(22,26)(23,25)(28,29)(30,32)(33,35,38,41)(34,39,36,42)(37,45,46,43)(40,48,44,47)(1,4,6,12)(2,7,3,9)(5,11,13,16)(8,14,10,15)(17,20)(18,21)(19,27)(22,30)(23,28)(24,31)(25,29)(26,32)(33,36,38,34)(35,42,41,39)(37,44,46,40)(43,48,45,47)(1,5)(2,8)(3,10)(4,11)(6,13)(7,14)(9,15)(12,16)(17,21)(18,20)(19,28)(22,29)(23,27)(24,32)(25,30)(26,31)(33,37,38,46)(34,40,36,44)(35,43,41,45)(39,47,42,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.